Swimmer profile
Sophia Williamson
Female15-16Streamline AquaticsST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
38.81
30.73
▲ 8.08
29.99
▲ 0.74
30.07
▼ 0.08
28.61
▲ 1.46
27.96
▲ 0.65
27.91
▲ 0.05
100 Free LCM
1:36.58
1:09.15
▲ 27.43
1:05.89
▲ 3.26
1:04.67
▲ 1.22
1:00.23
▲ 4.44
59.32
▲ 0.91
59.60
▼ 0.28
200 Free LCM
3:57.65
2:33.52
▲ 84.13
2:30.04
▲ 3.48
2:25.19
▲ 4.85
2:12.54
▲ 12.65
2:08.83
▲ 3.71
2:06.48
▲ 2.35
400 Free LCM
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—
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5:14.63
4:49.96
▲ 24.67
4:41.16
▲ 8.80
4:54.69
▼ 13.53
50 Back LCM
50.36
—
36.86
▲ 13.50
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—
35.72
▲ 1.14
33.76
▲ 1.96
100 Back LCM
1:53.97
1:24.46
▲ 29.51
1:22.79
▲ 1.67
1:19.01
▲ 3.78
1:16.08
▲ 2.93
1:17.24
▼ 1.16
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50 Breast LCM
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49.97
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—
—
—
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50 Fly LCM
1:00.12
32.91
▲ 27.21
31.57
▲ 1.34
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—
30.04
▲ 1.53
28.88
▲ 1.16
100 Fly LCM
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1:21.06
1:11.68
▲ 9.38
1:13.20
▼ 1.52
1:08.75
▲ 4.45
1:06.06
▲ 2.69
1:04.83
▲ 1.23
200 Fly LCM
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—
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2:59.34
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2:38.94
▲ 20.40
2:33.52
▲ 5.42
200 IM LCM
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2:54.31
2:54.37
▼ 0.06
2:50.92
▲ 3.45
2:40.93
▲ 9.99
2:44.11
▼ 3.18
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Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.